Nonskid attachment for vehicle tires



Jan. 2, 1923. 1,440,580

O. E. BROWN. NoNsKxD ATTACHMENT FOR VEHlcLE TIRES.

FILED Nov. 7. 192|.

by 7M @M patented ,lara Z, lgZ,

OSCAR E. BROWN, OF BUFFALO, NEJV YORK.

NONSKD -,TT-LCJNENT FOR VEHICLE TR'ES.

Application le'd November 7, 1921.

10 o'ZZ fio/10m t 11mg/ concern.'

Be it knownv that l, u; E. Baowrr, a citizen of the v'United States, residing at Buii'alo, in the county ot lrie and State ot New York, have invented new and useful' lniprofementsin Nonskid Attachments vtor Vehicle rlires, oiI which the following is a specification.

rl'his invention relates to a non-skid attachment for vehicle tires, and is applicable to either pneumatic or solid tires.

lts principal object is to provide an improved attachment of this character which will effectively prevent side shielding as well spinning of the wheels ot' the vehicle. `inother object of invention is to provide a simple andinexpen ve non-slrid attachment which may be readily applied to and removed :from the tire and wl'iich is adjustable to suit tires of varying In the accompanying drawings: Figure 1 .is a i'fragl'nentary side View ot a vehicle wheel showing' the improvement applied thereto. Figure 2 is a Jfragmentary tace riew thereof. Figures 8 and 4 are enlarged transverse sections on the corresponoingly numbered lines in Fig. 1. Figure 5 isa rear view of one of the links and associated parts. Figure 6 is an enlarged inner or rear view of the chain coupling. Figures 7 and 8 are longitudinal sections on the correspondingly 'numL bered lines in Fig-6. Figure 9 is a perspective viewof one ofthe links of the tread chain.

.Similar characters of reference indicate. corresponding parts throughout the several views. y

The improvementiis shown as applied to an ordinary automobile wheel 101having a pneumatic tire 11 mounted on the usual rim-12. y y

Extending circumterentially and centrally around the tread portion of the tire is an anti-shielding device or member which is preferably in the torni ojF a chain 13, and extending circuinterentially around either side ot the tire is a supportingmember or chain lll, whirh is disposed substantially midway between the thread and therim 12, as shown in Figs. 1 vand The central tread chain 12 is connected with the two side chains 14, 14 by rigid means which not only prevent movement of the vtread chain transversely of the tire but also serve to support the side-chains and hold them inposition against the sides of the tire:v The preferred .Serial No. 513,249.

means for accomplishing these results are illustrated in the drawings, and are constructed as follows Arranged at suitable intervals circumiferentially ot the tire on both sides thereof, are a plurality of rigid retaining members in the form of substantially L-shaped arms or connections 15 which are disposed transversely ot the tire and attached at their inner ends to the corresponding side chain le and at their outer ends to the adjacent side ot' the tread chain 18. The inner ends of these arms are suitably attached to the side chains, while their outer ends are pivotally connected rto a corresponding linlr of the tread chain, so as to permitthese arms to rock inwardly and radially ot the wheel should they strike an obstruction on the road. Alternating` with thesevarms and also disposed transversely of the tire are a plurality of similar intermediate.1 -shaped arms 16, their outer ends being pivota-lly connected to a corresponding link ofthe tread chain, 'while their inner ends terminateshort vot the side chains and bear against the adj acent sides of thevtire. These arms serve to prevent those portions lof thethread chain between adjacent arms 15' from shifting transverselyv of the. tire.

To hold both sets of arms 15 and 16 against movement on their links 17 oircumferentially ot the tire,'the side bars of said links are providedwith reduced portions 1,8 to which the pivot eyes or ends 19 of said arms are connected. These reduced portions form vshoulders ,20 against kwhich the opposing' edges of the pivot eyes ot the arms abut, The severallinks of the thread chain 13 are preferably connected to one another by loops Qlwhich pass around reduced portions 22 formed in the cross bars of the respective links, as shown in ,'Figs. 2, 4 and 9. By this construction, thepivot eyes of the arms 15., 16 and the loops 21 re iush with the body of the links ofi the chain, thereby producing asmoothrunning tread vchain .whlch efft'ectively .prevents .side slridding and 'spinning koi" the wheel and 1nwh1ch,there .are

no protruding parts lia-biete cut or other wise in] ure the tire nWithout provision being made against it,

the short, .intermediate arms 16 would be allowed to swing by gravity away from the side of the tire, while at the lower side of the wheel. To prevent such a condition, the links 17 of these arms are provided on their side ba s with inwardly projecting stop pins 23 and the pivot eyes 19 of said arms are provided with semi-circular slots Q-l which receive said pins, as shown in Figs. i and By this construction, r,each of the intermediate arms is prevented `'from swinging outiva-rdly away Jrom the sides of the tire by the inner end of its slot abutting against the corresponding stop pin 28, While lthe* arm is free to swing` inwardly toward the sides o' the tire should the same strike an obstruction on the road.

Means are provided for adapting the tread and side chains to tires of varying sizes Wit-hin a certain range. For this purpose9 an adjustable coupling device is employed for connecting` the opposing' ends of each chain.A As clearly shown in Figs. 6, 7 and 8, this couplino" device referablv com arises a bod L b u portion 25 fastened at its rear end to one end of the chain and having a series of teeth 26 forming intervening notches or recesses 27 adapted to receive the iront end oi? a comparatively long coupling link 28. EX- tending over. the open ends oii the recesses 27 is a laterally swinging` retaining,` or cover plate E29 which is pivoted at 30 to the rear en d. of the coupling body. rllhis retaining` plate is provided with a spring' catch, preferably consisting of a flat spring` 3l `ivhich extends lengthwise thereof and projects beyond its iront end7 this projecting; end being adapted to interlock with a recess 52 termed, in a riange at the'i'ront end of said couiiing;` body7 to prevent the plate from sivinginglat erally out of its operative position shown by. full lines in the drawings. The front end oit the retaining plate is adapted to interlock with or engage under a pair oi rearivardli,Y facing lips 34: formed at the correspondii end of the coupling body on opposite sides of the recess 32 thereof., whereby said plate is prevented trom accidentally springing up ward out of its operative position. Tie front end of the spring- 3l may be provided with a depending icl-ange which covers. the

n `li'oint between it and the bottom ot-the 'recess 39, and excludes sand and dirt 'troni thev latter. v

By this coupling device, the ends koi? the i' read and side chains may he reliably and se.- ciirely fastened together to suit tires oi, viiifying sizes by engagingthe coupling` link 28 with one or another of the recesses 27.

While both sets o'l': arms l5, 1.6 serve to ie liably retain the tread chain lf3 centrally on the tread portion of the tire7 the arms l5 also perform the additional function of supporting the side chains 14 which together with said lastnamed arms hold the tread chain upon the tire. f

l claim my invention:

l. A non-skid attachment 'for vehicle tires, comprising a non-skid member arrangedcir cumierentially on the tread of the tire, supportingrmembers arranged circumferentially on opposite sides of the tire, and a plurality of rigid connections arranged on vopposite sides or the tire and secured at one end to said supporting` members and pivotally connected at the other end to said non-skid member to permit the same to rock inwardly and radially of the wheel.

2. fi. non-skid attachment for vehicle tires, comprising` a non-skid member arranged circumierentially on the tread of the tire, supporting members arranged circumferentially on opposite sides ot the tire, and a plurality oiE i.,shapedretainingF ari s disposed transversely of the tire and attached at their ends to said non.-slid member and the correspond.- ino; support-ing,` member.

3, A non-skid attachment for vehicle tires, comprising' a non-skid member arranged circnmferentially on the tread` ot the tire, snpporting' members arranged circiimferentially on opposite sides of the'tire, a plurality oi spaced rigid rcoimections disposed transversely ol? the tire and attached at their ends to sa id non-skid member and the corresponding supportingmember, and intermediate connections arranged between said iirstnamed connections and attached at one end to said" non-skid member While their other ends 'engage the side of the tire adjacent to said supporting members.

el. A. non-skid attachment for vehicle tires, comprising` a non-skid member arranged circiimferentially on the tread of the tire. supi porting; members arranged circumterentially on opposite sides et the tire. a plurality oi .rigid connections disposed transversely of: the tire and attachedv at their ends to said non-skid member andv the corresponding` supi:ort-ingl member, intermediate connections alternating with said first-named conlnei-tions and pivo''ed at one end to said nonvslcii'l member and heariiig'at their other ends against the sidesI ol the tire, and means 'for liiiiitinze' the i'i'iovemcnt ot said intermediate connections away i rom the tire.

oso/An n. niinjiivii.

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